[mythtv-users] Ticket #9177: "Error opening jump program file buffer" when changing channels in live TV

[Michael T. Dean]

On 06/13/2011 05:42 PM, lstyles at yahoo.com wrote:
> I have a similar sounding problem. I'm hoping someone can tell me whether it
> matches ticket #9177 (or any other existing tickets.)
>
> I have a combination frontend/backend system with a single PCTV 800i HD Card
> that records to a single local ext4 drive. I receive NTSC and ClearQAM channels
> from my cable provider through a coax cable connected directly to the PCTV card.
>
> Prior to upgrading to 0.24 fixes everything worked fine. But since upgrading, if
> I change from one NTSC channel to another NTSC channel when watching live TV I
> get an "Error opening jump program file" message and mythfrontend stops
> responding. The strange thing (to me at least) is that the problem only occurs
> when switching between NTSC channels. Switching between two ClearQAM channels or
> between a ClearQAM and an NTSC channel works just fine.

Yours does sound like the same issue.  You'll need to watch the status 
of #9177 and update once it's fixed.

Mike